seibeet



v -3 SheetsShe'et 1. A. SEIBBRT.

GRAIN SGOURER.

(No Model.)

Patented Oct. 11, 188-1;

mama

I 104 IIIIII INVENTOR:

By hi ito'me sy WITNESSES:

N. PETERS. Pholvlilhogfiw. Washing! n c.

(No Model.) 3 Sheets-Sheet 2.

A. 'SEIBERT.

GRAIN SGOURER. "No. 248,060. Patented 0013.11, 1881..

INVENTOR: WITNESSES: I W W L m By his Attorneys; I

N. PErEns. PhcfQ-Mhog npher. Wuhin mn. n.6,

(No Model.) 3 Sheets-Sheet 3.

A. SEIBERT.

GRAIN $00URER.

No. 248,060. Patented Oct. 11,1881.

Fig. 21.

INVENTOR.

N f E 4 By his Attiorneys,

N PETERS. Plmla-Uflmgraphur. Washington. DC

UNITED ANTONY sEIBEET, F FREMONT CENTRE, ASSIGNOR To JACOB MARK, on NEW YORK, N. Y.

GRAlN-SCOURER.

SPECIFICATION forming part of Letters Patent No. 248,060, dated October 11, 1881. Application filed April 22, 1881. (No model.)

v the chess and light foreign particles therefrom,

so as to fit it for being ground into flour.

It may also be employed for hulling the graiu that is to say, removing the bran-as in what is known as pearl barley, but the main purpose is to scour the grain and fit it for grinding. .The novel features of the invention will be set forth definitely in the claims at the close of this specification.

- In the drawings which serve to illustrate my invention, Figure l is a side elevation of the machine, a part being in section on the line 1 1 in Fig. 3. Fig. 2 is an elevation of the machine viewed at right angles to Fig. 1, a part being in section on the line 2 2 in Fig. 1. Fig. 3 is a plan of the machine, a part being in section on the line 3 3 in Fig. 2. Fig. 4 is a sectional view of apart of the machine, taken on the line 4. 4 in Fig. 3. Fig. 5 is a detached elevation,i1lustrating the adjustable outlet for the grain.

A represents a suitable frame-work of any kind, and B a platform thereon to support a fixed nether millstone, 0. (Shown in Fig. 4.)

I) is a vertical shaft, which. has a bearing just below the platform B, and is stepped in a lever, E, hinged at a to the frame. This arrangement permits the shaft D to be adjusted vertically to some extent.

On the upper end of the shaft D is mounted the runner. or upper stone, F, and at the proper point on the said shaft is keyed a conepulley, G, by which the shaft and runner are driven. The stone O is dressed on its upper face in the usual way, or any good way, and the runner is dressed both on its lower face and on its periphery. The grooves on its periphery (see at the right in Fig. 4.) are or may be'cut a little inclined to the axes of rotation.

The stone F is housed in a casing composed of a disk, H, which is provided with a hopper, H, to receive the grain in the usual way, and adrum, I, somewhat larger in diameter than the runner, so as to leave an annular space around the stone of about a quarter of an inch. The exact amount of space is not important so long as it does not much exceed the length of the grains being scoured. This drum is provided with a roughened or abrading surface on the inside, and I prefer to make it of sheet-iron, and to perforate it with narrow slits or cuts 1', as shown in Fig. 1, which throw up a burr on the inside, in the manner of a grater, while the slitsformed are notof sufficient width to pass anything but the finest dust. Any mode of roughening the inner face of the drum may, however, be employed. The runner is set into rapid rotation, and the grain to be scoured is admitted at the hopper H. The runner having been adjusted to the proper height above the stone (J by means of the lever- E, the grain will not be crushed or ground in its passage from the center to the periphery of the stones, butwillonly have its ends clipped oif. By reason of the centrifugal force and the dressing of the stones the grain is forced outward into the annular space between the stationary drum I and the runner F, where the final scouring takes place, partly by reason of the chafing of the grains on' each other and partly by the action of the dressing on the periphery of the runner and the roughness on the inner face of the non-rotating drum.

The grain is retained in the annular space around the runner and permitted to rise to a predetermined height therein by means of an adjustable outlet. (Best shown inFig. 5.) An opening, a, is made in the side of the drum I,

a little above the bottom of the same, so that the grain must accumulate somewhat before it can overflow out of said opening. At the sides of the opening are arranged keepers d,in which 0 plays a slide, e, having an aperture to correspond with the aperture in the drum. By raising the slide 0 the outlet for the grain is lifted and adjusted to the desired height, and the grain may thus be more or less thoroughly 5 scoured before it escapes. Indeed, by raising the slide high enough, the aperture for the escape of the grain may be entirely closed, and this is desirable where the scouring is to be carried far enough to remove the bran. The grain and scourings pass out of the drum into a spout, J, which leads it to a spout, K. That portion of the spout J adjacent to the drum I is hinged, so that it may be thrown back for the better adjustment of the slide 0. This an rangetnent of a registered aperture capable of being adjusted independently of the outletspout and the hinging of the spout so that it may be turned out of the way has an important advantage over a slide having the spout fixed thereto, in that the spout is not movable up and down, and may be made to connect better and closer with the shakingspout, and the height of the outlet may be the better adjusted.

The spout K is in the nature of a screen, a portion or all ofitsbottom being made of foraminous material, f. Below this screcn is arranged a close bottom, g, from which the screenings fall through an opening, it, into a suitable reoeptaele. (Not shown.) The spout K is hung at one end by an elastic strip, t, while the other end is connected by means of a rigid connecting-rod,j, with a crank, k, on an upright shaft, L. Rotation of the shaft L imparts a shaking motion to the spout K.

It will be understood that only the heavier particles frourtbe scourin gs pass through the screen f, the lighter passing with the grain into the suction-pipe M of an exhaust blower. This suction-pipe depends and its lower end is open, so that the secured grain may fall into a receptacle, or directly into conveyers leading to the grinding-mills. The upper end of the suction-pipe taps the fan-casing opening into a space, N, above the fan 0. The current, as indicated by the arrows, is downward from this space into the fan-chamber, and thence out of the casing through the outlet 1. The fan is mounted on a vertical shaft, Q, bearing a driving-pulley, R. The upward current of air through the suction-pipe M bears with it all the scourings, chess, 850., with the grain, but has not force enough to lift the grain itself. Thus the most perfect separation is effected.

To regulate the force of the blast to the kind of grain beingtreated, (some being lighterthan others,) whereby the separation is the more thoroughly effected, I employ registered openings in the fan-casing, and in the suction-pipe also, if necessary, to diminish the force of the. blast by the admission of air at points other than the pendent grain-outlet.

In Figs. 1 and 2, l l indicate slides arranged to close, or partly close, openings in the top of the fan-casing for the above purpose, and m is another slide or wicket near the lower end of the pipe M.

The shafts L and Q are or maybe driven from the cone-pulley G by means of belts S S, as shown.

The construction of the slide a with an aperture is only a convenience. Any form of slide which will render the overflow-lip ot the opening 0 adjustable vertically will serve the purpose.

Screws n n for leveling the nether stone, C, may be mpl ys", and the runner may be mounted on the shaft D in a manner similar to that employed in ordinary mill-runners.

Having thus described my invention, I claim- 1. In a grain-hulling machine, the combination, with the drum I, provided with the outlet 0 and keepers d, of the slide 0, arranged to play in said keepers, and having an aperture for the escape of the grain into the fixed spout J, and the said spout having the portion adjacent to the drum hinged, so as to turn back, whereby the position of the slide may be readily inspected and regulated, as set forth.

2. The combination of the drum 1, stones 0 and F, apertured slide e, spout J, shakingspout K, having a false bottom, g, screenf, and outlet 7:, the spring 2, arm j, crank 70, vertical shaft L, pendent suction-pipe M, arranged to receive air at its bottom, and connected with an exhaust-fan, O, the said fan and the fancasing provided with registered air-inlets, all arranged substantially as set forth.

In witness w reof I have hereunto signed my name in the presence of two subscribing witnesses.

ANTONY SEIBERT.

Witnesses HENRY CONNETT, ARTHUR (J. FRASER. 

